Bushdoctor Sledgehammer is a unique rinse formula designed to remove excess fertilizer buildup and encourage water movement through soil and soilless mediums. Sledgehammer helps release surface tension in the soil which will allow optimal absorption of moisture and nutrition through the plant's root system. Derived from Saponin, an extract from Yucca, Sledgehammer is Organic and Natural and can be used both hydroponic and soil applications.